MTV.com News — After soft first-week sales for Bionic, experts weigh in. By James Montgomery Photo: Ronald Martinez/ Getty Images Between the unexpectedly soft first-week sales for her comeback album, Bionic, constant criticism from Perez Hilton and a bar... more info

L.A. Times - Entertainment — The latest confection from Katy Perry, "California Gurls," is so much more delicious than Lady Gaga's "Alejandro." more info

Perez Hilton — You go, girl! Lady GaGa has sold over 4 million digital copies of her music in the UK — making her the #1 digital selling artist across the pond! She broke Rihanna's record who held it last year at 2.5 million digital downloads and the Black Eyed P... more info

VH1 Blog — Although summer doesn’t officially start until 7:58 a.m. on Monday, there are a handful of songs that have already gotten a head start on the quest to become 2010’s Song of the Summer. Just in the last week alone, we have seen Lady Gaga and Adam ... more info

Unreality Music — It's a busy day for music videos today. The first one here is the new music video for Mark Ronson's new single with his band The Business Intl, Bang Bang Bang which features American alternative rapper Q-Tip. Ronson has ditched the 2006 trend of ... more info

Big Apple Music Scene — Tonight at 10 p.m. ET, Bravo will debut a new reality show, Double Exposure, starring famous celebrity photographers Markus Klinko and Indrani, who shoot stars like Lady Gaga and Lindsay Lohan for CD covers and magazines — and used to be a couple b... more info

ContactMusic — LADY GAGA fans have been offered the chance to own a piece of pop memorabilia - a designer necklace the singer wore in her POKER FACE video is going under the hammer in an... more info

Pop Bytes — It's finally here: the most anticipated video of 2010! Well, anticipated if you happen to have a thing for annoying attention-whores in stupid blue wigs. The entire thing is essentially one long look at what would happen if Candy Land were inhabited ... more info

Idolator — Lady Gaga’s MAC Viva Glam pal/Time magazine authoress Cyndi Lauper hit the Late Show With David Letterman to perform her bluesy cover of “Early In The Mornin’.” Lauper’s album Memphis Blues arrives next week, and last night she brought alon... more info

Guardian Music — If Girls Aloud did a duet with New Young Pony Club, then it would probably sound like this Dalston dance trioHometown: Dalston.The lineup: Ximon Tayki (laptop), Simon Whybray (drums) and Veronica So (keyboards, vocals).The background: Teeth are New B... more info